/**
  ******************************************************************************
  * File Name          : USART.c
  * Description        : This file provides code for the configuration
  *                      of the USART instances.
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2018 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "usart.h"
#include "stm32f4xx_hal_usart.h"
#include "gpio.h"
#include "dma.h"

/* USER CODE BEGIN 0 */
uint8_t charRx;
static RxCpltCallback_T RxCpltCallback;
/* USER CODE END 0 */

UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
UART_HandleTypeDef huart3;
DMA_HandleTypeDef hdma_usart2_rx;
DMA_HandleTypeDef hdma_usart2_tx;
DMA_HandleTypeDef hdma_usart3_rx;
DMA_HandleTypeDef hdma_usart3_tx;

/* USART1 init function */

void MX_USART1_UART_Init(void)
{

    huart1.Instance = USART1;
    huart1.Init.BaudRate = 921600;
    huart1.Init.WordLength = UART_WORDLENGTH_8B;
    huart1.Init.StopBits = UART_STOPBITS_1;
    huart1.Init.Parity = UART_PARITY_NONE;
    huart1.Init.Mode = UART_MODE_TX_RX;
    huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart1.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart1) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}
/* USART2 init function */

void MX_USART2_UART_Init(void)
{

    huart2.Instance = USART2;
    huart2.Init.BaudRate = 9600;
    huart2.Init.WordLength = USART_WORDLENGTH_8B;
    huart2.Init.StopBits = UART_STOPBITS_1;
    huart2.Init.Parity = UART_PARITY_NONE;
    huart2.Init.Mode = UART_MODE_TX_RX;
    huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart2.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart2) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}
/* USART3 init function */

void MX_USART3_UART_Init(void)
{

    huart3.Instance = USART3;
    huart3.Init.BaudRate = 115200;
    huart3.Init.WordLength = UART_WORDLENGTH_8B;
    huart3.Init.StopBits = UART_STOPBITS_1;
    huart3.Init.Parity = UART_PARITY_NONE;
    huart3.Init.Mode = UART_MODE_TX_RX;
    huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
    huart3.Init.OverSampling = UART_OVERSAMPLING_16;
    if (HAL_UART_Init(&huart3) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

void HAL_UART_MspInit(UART_HandleTypeDef *uartHandle)
{

    GPIO_InitTypeDef GPIO_InitStruct;
    if(uartHandle->Instance == USART1)
    {
        /* USER CODE BEGIN USART1_MspInit 0 */

        /* USER CODE END USART1_MspInit 0 */
        /* USART1 clock enable */
        __HAL_RCC_USART1_CLK_ENABLE();

        /**USART1 GPIO Configuration
        PA9     ------> USART1_TX
        PA10     ------> USART1_RX
        */
        GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USER CODE BEGIN USART1_MspInit 1 */

        /* USER CODE END USART1_MspInit 1 */
    }
    else if(uartHandle->Instance == USART2)
    {
        /* USER CODE BEGIN USART2_MspInit 0 */

        /* USER CODE END USART2_MspInit 0 */
        /* USART2 clock enable */
        __HAL_RCC_USART2_CLK_ENABLE();

        /**USART2 GPIO Configuration
        PA2     ------> USART2_TX
        PA3     ------> USART2_RX
        */
        GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_3;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
        GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USART2 DMA Init */
        /* USART2_RX Init */
        hdma_usart2_rx.Instance = DMA1_Stream5;
        hdma_usart2_rx.Init.Channel = DMA_CHANNEL_4;
        hdma_usart2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
        hdma_usart2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart2_rx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart2_rx.Init.Mode = DMA_NORMAL;
        hdma_usart2_rx.Init.Priority = DMA_PRIORITY_MEDIUM;
        hdma_usart2_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
        if (HAL_DMA_Init(&hdma_usart2_rx) != HAL_OK)
        {
          _Error_Handler(__FILE__, __LINE__);
        }

        __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart2_rx);

        /* USART2_TX Init */
        hdma_usart2_tx.Instance = DMA1_Stream6;
        hdma_usart2_tx.Init.Channel = DMA_CHANNEL_4;
        hdma_usart2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_usart2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart2_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart2_tx.Init.Mode = DMA_NORMAL;
        hdma_usart2_tx.Init.Priority = DMA_PRIORITY_MEDIUM;
        hdma_usart2_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
        if (HAL_DMA_Init(&hdma_usart2_tx) != HAL_OK)
        {
          _Error_Handler(__FILE__, __LINE__);
        }

        __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart2_tx);

        /* USART2_IRQn interrupt configuration */
        HAL_NVIC_SetPriority(USART2_IRQn, 1, 0);
        HAL_NVIC_EnableIRQ(USART2_IRQn);

        /* USER CODE BEGIN USART2_MspInit 1 */

        /* USER CODE END USART2_MspInit 1 */
    }
    else if(uartHandle->Instance == USART3)
    {
        /* USER CODE BEGIN USART3_MspInit 0 */

        /* USER CODE END USART3_MspInit 0 */
        /* USART3 clock enable */
        __HAL_RCC_USART3_CLK_ENABLE();

        /**USART3 GPIO Configuration
        PC10     ------> USART3_TX
        PC11     ------> USART3_RX
        */
        GPIO_InitStruct.Pin = GPIO_PIN_10 | GPIO_PIN_11;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
        HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

        /* USART3 DMA Init */
        /* USART3_RX Init */
        hdma_usart3_rx.Instance = DMA1_Stream1;
        hdma_usart3_rx.Init.Channel = DMA_CHANNEL_4;
        hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
        hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart3_rx.Init.Mode = DMA_CIRCULAR;
        hdma_usart3_rx.Init.Priority = DMA_PRIORITY_HIGH;
        hdma_usart3_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
        if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK)
        {
            _Error_Handler(__FILE__, __LINE__);
        }

        __HAL_LINKDMA(uartHandle, hdmarx, hdma_usart3_rx);

        /* USART3_TX Init */
        hdma_usart3_tx.Instance = DMA1_Stream3;
        hdma_usart3_tx.Init.Channel = DMA_CHANNEL_4;
        hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_usart3_tx.Init.Mode = DMA_NORMAL;
        hdma_usart3_tx.Init.Priority = DMA_PRIORITY_HIGH;
        hdma_usart3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
        if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK)
        {
            _Error_Handler(__FILE__, __LINE__);
        }

        __HAL_LINKDMA(uartHandle, hdmatx, hdma_usart3_tx);

        /* USART3_IRQn interrupt configuration */
        HAL_NVIC_SetPriority(USART3_IRQn, 2, 0);
        HAL_NVIC_EnableIRQ(USART3_IRQn);

        /* USER CODE BEGIN USART3_MspInit 1 */

        /* USER CODE END USART3_MspInit 1 */
    }
}

void HAL_UART_MspDeInit(UART_HandleTypeDef *uartHandle)
{

    if(uartHandle->Instance == USART1)
    {
        /* USER CODE BEGIN USART1_MspDeInit 0 */

        /* USER CODE END USART1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USART1_CLK_DISABLE();

        /**USART1 GPIO Configuration
        PA9     ------> USART1_TX
        PA10     ------> USART1_RX
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);

        /* USER CODE BEGIN USART1_MspDeInit 1 */

        /* USER CODE END USART1_MspDeInit 1 */
    }
    else if(uartHandle->Instance == USART2)
    {
        /* USER CODE BEGIN USART2_MspDeInit 0 */

        /* USER CODE END USART2_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USART2_CLK_DISABLE();

        /**USART2 GPIO Configuration
        PA2     ------> USART2_TX
        PA3     ------> USART2_RX
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2 | GPIO_PIN_3);

        /* USER CODE BEGIN USART2_MspDeInit 1 */

        /* USER CODE END USART2_MspDeInit 1 */
    }
    else if(uartHandle->Instance == USART3)
    {
        /* USER CODE BEGIN USART3_MspDeInit 0 */

        /* USER CODE END USART3_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USART3_CLK_DISABLE();

        /**USART3 GPIO Configuration
        PC10     ------> USART3_TX
        PC11     ------> USART3_RX
        */
        HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10 | GPIO_PIN_11);

        /* USART3 DMA DeInit */
        HAL_DMA_DeInit(uartHandle->hdmarx);
        HAL_DMA_DeInit(uartHandle->hdmatx);

        /* USART3 interrupt Deinit */
        HAL_NVIC_DisableIRQ(USART3_IRQn);
        /* USER CODE BEGIN USART3_MspDeInit 1 */

        /* USER CODE END USART3_MspDeInit 1 */
    }
}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *UartHandle)
{
   if ((NULL != RxCpltCallback) && (HAL_UART_ERROR_NONE ==UartHandle->ErrorCode))
   {
     RxCpltCallback(&charRx);
   }
   HAL_UART_Receive_IT(UartHandle, &charRx,1);
}

/* USER CODE BEGIN 1 */
void vcom_ReceiveInit( RxCpltCallback_T Rxcb )
{

    /*record call back*/
    RxCpltCallback=Rxcb;

    /*Start LPUART receive on IT*/
    HAL_UART_Receive_IT(&huart2, &charRx,1);
}

void vcom_send_data(uint8_t* data,uint32_t len)
{
    HAL_UART_Transmit(&huart2,data,len,0xFFFF);
}

/* USER CODE END 1 */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
